2977661023 has 4 divisors (see below), whose sum is σ = 2977775080. Its totient is φ = 2977546968.

The previous prime is 2977661003. The next prime is 2977661041. The reversal of 2977661023 is 3201667792.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2977661023 - 2⁵ = 2977660991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2977661003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3661 + ... + 77257.

It is an arithmetic number, because the mean of its divisors is an integer number (744443770).

Almost surely, 2^2977661023 is an apocalyptic number.

2977661023 is a deficient number, since it is larger than the sum of its proper divisors (114057).

2977661023 is an equidigital number, since it uses as much as digits as its factorization.

2977661023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114056.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 2977661023 is about 54567.9486786887. The cubic root of 2977661023 is about 1438.6608278664.

The spelling of 2977661023 in words is "two billion, nine hundred seventy-seven million, six hundred sixty-one thousand, twenty-three".